mean(1,2,3,4,5,6,7,8,9,10)
Luacháil
\frac{11}{2}=5.5
Fachtóirigh
\frac{11}{2} = 5\frac{1}{2} = 5.5
Tráth na gCeist
Algebra
mean(1,2,3,4,5,6,7,8,9,10)
Roinn
Cóipeáladh go dtí an ghearrthaisce
1+2+3+4+5+6+7+8+9+10=55
Chun meán an tacar 1,2,3,4,5,6,7,8,9,10 a fháil, suimigh na baill ar dtús.
\frac{55}{10}=\frac{11}{2}
Is féidir meán an tacar 1,2,3,4,5,6,7,8,9,10 a fháil ach suim na mball a roinn ar líon na mball, 10 sa chás seo.
Fadhbanna Comhchosúla
mean(12,16)
mean(25,30)
mean(3,4)
mean(11,24,34,45,56)
mean(1,2,3,4,5,6,7,8,9,10)
mean(40,45,56)